Seiko Cal. 6623 - 497

Released in 1975, the Cal. 6623 with design code 497 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c6ecbf10152a]

Also known as: Rally, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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